Granted Patent
Utility
US 6,227,116 · App. 09/091,342
Pyrotechnical charge for detonators
Inventor:
Viktor Dumenko
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Jul 10, 1998
Inventor
Viktor Dumenko
Assignee (at issue)
Nitro Nobel AB
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.